There are several synonyms for the term "cash drawer" that are often used in different contexts. One common synonym is "till," which refers to a drawer used by retailers or shopkeepers to store cash and other important documents. Another synonym is "cash register," which is a machine that includes a cash drawer as well as a scanner, printer, and other functions for processing transactions. "Cash box" is another synonym that is often used for a small and portable container that can be used to keep cash secure on the go. Other possible synonyms include "money drawer" and "currency drawer".